Free Reverse Phone Lookup

Free Phone Number Finder

Enter phone number to begin your search


Example: 999-999-9999

Detailed Information on Area Code 443

Reverse lookup results for area code 443

Country United States of America
State MARYLAND
Area Code 443
Date First Introduced May 18 1998
Timezone (UTC-05:00)
Major Counties BALTIMORE (CITY), ANNE ARUNDEL, BALTIMORE, HOWARD, HARFORD
Major Cities BALTIMORE, ANNAPOLIS, COLUMBIA, BEL AIR, GLEN BURNIE, SALISBURY, TOWSON, CATONSVILLE, WESTMINSTER, ELKTON
Related Area Codes 240 301 410

Location map for area code 443 in MARYLAND


Following is the list of available exchanges for area code 443 in MARYLAND -


JESSUP
Area Code 443-284 - (Global Naps South, Inc. - Md - 443284 )Area Code 443-329 - (Global Crossing Local Services, Inc.-md - 443329 )Area Code 443-633 - (Broadstreet Communications, Inc. - Md - 443633 )Area Code 443-661 - (Cavalier East Llc - Md - 443661 )Area Code 443-753 - (Allegiance Telecom, Inc. - Md - 443753 )Area Code 443-899 - (Focal Communications Corp Of The Mid-atlantic - 443899 )
ELKRIDGE
Area Code 443-445 - (Sbc Telecom, Inc. - Md - 443445 )Area Code 443-592 - (Global Naps South, Inc. - Md - 443592 )Area Code 443-755 - (Verizon Maryland, Inc. - 443755 )Area Code 443-757 - (Cavalier East Llc - Md - 443757 )
NORTH EAST
Area Code 443-256 - ( - 443256 )Area Code 443-358 - (Weblink Wireless, Inc. - 443358 )Area Code 443-674 - (Teleport Communications Group America, Inc. - Md - 443674 )Area Code 443-715 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443715 )Area Code 443-877 - (Level 3 Communications, Llc - Md - 443877 )Area Code 443-967 - (Verizon Maryland, Inc. - 443967 )
TANEYTOWN
Area Code 443-331 - (Global Naps South, Inc. - Md - 443331 )Area Code 443-918 - (Teleport Communications Group America, Inc. - Md - 443918 )
NEW WINDSOR
Area Code 443-647 - (Global Naps South, Inc. - Md - 443647 )Area Code 443-671 - (Teleport Communications Group America, Inc. - Md - 443671 )
CARDIFF
Area Code 443-236 - (Core Communications, Inc. - Md - 443236 )Area Code 443-347 - (Global Naps South, Inc. - Md - 443347 )Area Code 443-424 - (Teleport Communications Group America, Inc. - Md - 443424 )Area Code 443-483 - (Focal Communications Corp Of The Mid-atlantic - 443483 )
RANDALLSTOWN
Area Code 443-431 - (Global Naps South, Inc. - Md - 443431 )Area Code 443-565 - (Cavalier East Llc - Md - 443565 )Area Code 443-657 - (Xspedius Management Co Switches Services, Llc - Md - 443657 )Area Code 443-675 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443675 )Area Code 443-985 - (Omnipoint Communications Cap Operations, Llc - 443985 )
STEVENSVILLE
Area Code 443-249 - (Verizon Maryland, Inc. - 443249 )
ELKTON
Area Code 443-207 - (Omnipoint Communications Enterprises, L.p. - 443207 )Area Code 443-245 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443245 )Area Code 443-246 - (Core Communications, Inc. - Md - 443246 )Area Code 443-309 - ( - 443309 )Area Code 443-350 - (Cellco Partnership Dba Verizon Wireless - Md - 443350 )Area Code 443-406 - (Teleport Communications Group America, Inc. - Md - 443406 )Area Code 443-466 - (Sprint Spectrum L.p. - 443466 )Area Code 443-485 - (Focal Communications Corp Of The Mid-atlantic - 443485 )Area Code 443-553 - (Cellco Partnership Dba Verizon Wireless - Md - 443553 )Area Code 443-593 - (Global Naps South, Inc. - Md - 443593 )Area Code 443-720 - (Tidalwave Telephone Inc. - 443720 )Area Code 443-907 - (Cellco Partnership Dba Verizon Wireless - Md - 443907 )Area Code 443-945 - (At&t Wireless Services, Inc. - 443945 )
PARKVILLE
Area Code 443-290 - (Xspedius Management Co Switches Services, Llc - Md - 443290 )Area Code 443-384 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443384 )Area Code 443-442 - (Cavalier East Llc - Md - 443442 )Area Code 443-461 - (Us Lec Of Maryland, Inc. - 443461 )Area Code 443-678 - (Verizon Maryland, Inc. - 443678 )Area Code 443-946 - (Global Naps South, Inc. - Md - 443946 )Area Code 443-998 - (Broadstreet Communications, Inc. - Md - 443998 )
NANTICOKE
Area Code 443-665 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443665 )
SEVERN
Area Code 443-274 - (Verizon Maryland, Inc. - 443274 )Area Code 443-363 - (Global Naps South, Inc. - Md - 443363 )Area Code 443-475 - (Broadstreet Communications, Inc. - Md - 443475 )Area Code 443-685 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443685 )Area Code 443-688 - (Cavalier East Llc - Md - 443688 )Area Code 443-734 - (Verizon Maryland, Inc. - 443734 )
NORTH BEACH
Area Code 443-237 - (Core Communications, Inc. - Md - 443237 )Area Code 443-550 - (Sprint Communications Company, L.p. - Md - 443550 )Area Code 443-646 - (Global Naps South, Inc. - Md - 443646 )
SHERWOOD FOREST
Area Code 443-339 - (Global Naps South, Inc. - Md - 443339 )Area Code 443-598 - (Global Crossing Local Services, Inc.-md - 443598 )
SPARKS GLENCOE
Area Code 443-212 - (Teleport Communications Group America, Inc. - Md - 443212 )Area Code 443-338 - (Global Naps South, Inc. - Md - 443338 )Area Code 443-595 - (Global Crossing Local Services, Inc.-md - 443595 )Area Code 443-662 - (Cavalier East Llc - Md - 443662 )
ABERDEEN
Area Code 443-210 - (Tidalwave Telephone Inc. - 443210 )Area Code 443-303 - (Global Crossing Local Services, Inc.-md - 443303 )Area Code 443-327 - (Cavalier East Llc - Md - 443327 )Area Code 443-345 - (Level 3 Communications, Llc - Md - 443345 )Area Code 443-360 - (Teleport Communications Group America, Inc. - Md - 443360 )Area Code 443-374 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443374 )Area Code 443-403 - (Focal Communications Corp Of The Mid-atlantic - 443403 )Area Code 443-558 - (Xo Maryland, Llc - 443558 )Area Code 443-760 - (At&t Local - 443760 )Area Code 443-779 - (Kmc Telecom Iii, Inc. - Md - 443779 )Area Code 443-788 - (Global Naps South, Inc. - Md - 443788 )
COLUMBIA
Area Code 443-259 - ( - 443259 )Area Code 443-285 - (Verizon Maryland, Inc. - 443285 )Area Code 443-319 - ( - 443319 )Area Code 443-351 - (Us Lec Of Maryland, Inc. - 443351 )Area Code 443-367 - (Verizon Maryland, Inc. - 443367 )Area Code 443-471 - (Us Lec Of Maryland, Inc. - 443471 )Area Code 443-488 - (Broadstreet Communications, Inc. - Md - 443488 )Area Code 443-514 - (Us Lec Of Maryland, Inc. - 443514 )Area Code 443-535 - (Verizon Maryland, Inc. - 443535 )Area Code 443-538 - (Omnipoint Communications Cap Operations, Llc - 443538 )Area Code 443-539 - (Us Lec Of Maryland, Inc. - 443539 )Area Code 443-542 - (Comcast Business Communications, Inc. - Md - 443542 )Area Code 443-545 - (Focal Communications Corp Of The Mid-atlantic - 443545 )Area Code 443-561 - (Us Lec Of Maryland, Inc. - 443561 )Area Code 443-573 - ( - 443573 )Area Code 443-577 - ( - 443577 )Area Code 443-583 - (Global Naps South, Inc. - Md - 443583 )Area Code 443-656 - (Cavalier East Llc - Md - 443656 )Area Code 443-714 - (Tidalwave Telephone Inc. - 443714 )Area Code 443-745 - (Cellco Partnership Dba Verizon Wireless - Md - 443745 )Area Code 443-780 - (Us Lec Of Maryland, Inc. - 443780 )Area Code 443-812 - (Cellco Partnership Dba Verizon Wireless - Md - 443812 )Area Code 443-864 - (Nextel Communications - 443864 )
SALISBURY
Area Code 443-235 - (Cellco Partnership Dba Verizon Wireless - Md - 443235 )Area Code 443-260 - ( - 443260 )Area Code 443-365 - (Omnipoint Communications Cap Operations, Llc - 443365 )Area Code 443-366 - (Sprint Spectrum L.p. - 443366 )Area Code 443-389 - (Core Communications, Inc. - Md - 443389 )Area Code 443-497 - (Nextel Communications - 443497 )Area Code 443-523 - (Verizon Maryland, Inc. - 443523 )Area Code 443-614 - (Cellco Partnership Dba Verizon Wireless - Md - 443614 )Area Code 443-735 - (Dobson Cellular Systems, Inc. - 443735 )Area Code 443-736 - (Dobson Cellular Systems, Inc. - 443736 )Area Code 443-783 - (Cellco Partnership Dba Verizon Wireless - Md - 443783 )Area Code 443-859 - (Omnipoint Communications Cap Operations, Llc - 443859 )Area Code 443-880 - (At&t Local - 443880 )
SEVERNA PARK
Area Code 443-229 - (Cavalier East Llc - Md - 443229 )Area Code 443-261 - ( - 443261 )Area Code 443-344 - (Core Communications, Inc. - Md - 443344 )Area Code 443-346 - (Global Naps South, Inc. - Md - 443346 )Area Code 443-597 - (Global Crossing Local Services, Inc.-md - 443597 )Area Code 443-654 - (Weblink Wireless, Inc. - 443654 )Area Code 443-694 - (Sprint Spectrum L.p. - 443694 )Area Code 443-816 - (Allegiance Telecom, Inc. - Md - 443816 )Area Code 443-942 - (Teleport Communications Group America, Inc. - Md - 443942 )
EDGEWOOD
Area Code 443-372 - (Us Lec Of Maryland, Inc. - 443372 )Area Code 443-402 - (Teleport Communications Group America, Inc. - Md - 443402 )Area Code 443-409 - (Cavalier East Llc - Md - 443409 )Area Code 443-456 - (At&t Local - 443456 )Area Code 443-484 - (Focal Communications Corp Of The Mid-atlantic - 443484 )Area Code 443-490 - (Global Crossing Local Services, Inc.-md - 443490 )Area Code 443-512 - (Verizon Maryland, Inc. - 443512 )Area Code 443-587 - (Global Naps South, Inc. - Md - 443587 )
ESSEX
Area Code 443-559 - (Comcast Business Communications, Inc. - Md - 443559 )Area Code 443-560 - (Broadstreet Communications, Inc. - Md - 443560 )Area Code 443-579 - ( - 443579 )Area Code 443-596 - (Global Naps South, Inc. - Md - 443596 )Area Code 443-600 - (Omnipoint Communications Cap Operations, Llc - 443600 )Area Code 443-772 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443772 )Area Code 443-777 - (Verizon Maryland, Inc. - 443777 )Area Code 443-969 - (Cavalier East Llc - Md - 443969 )
HAVRE DE GRACE
Area Code 443-209 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443209 )Area Code 443-502 - (Teleport Communications Group America, Inc. - Md - 443502 )Area Code 443-526 - (Global Naps South, Inc. - Md - 443526 )Area Code 443-843 - (Verizon Maryland, Inc. - 443843 )
WESTMINSTER
Area Code 443-241 - (Global Naps South, Inc. - Md - 443241 )Area Code 443-244 - (Level 3 Communications, Llc - Md - 443244 )Area Code 443-293 - (Global Crossing Local Services, Inc.-md - 443293 )Area Code 443-340 - (Cellco Partnership Dba Verizon Wireless - Md - 443340 )Area Code 443-349 - (Core Communications, Inc. - Md - 443349 )Area Code 443-368 - (Core Communications, Inc. - Md - 443368 )Area Code 443-383 - (Global Naps South, Inc. - Md - 443383 )Area Code 443-487 - (Focal Communications Corp Of The Mid-atlantic - 443487 )Area Code 443-536 - (Sprint Spectrum L.p. - 443536 )Area Code 443-605 - (Cavalier East Llc - Md - 443605 )Area Code 443-732 - (Teleport Communications Group America, Inc. - Md - 443732 )Area Code 443-789 - (Southwestern Bell Mobile Systems, Llc - Dc - 443789 )Area Code 443-974 - (Teleport Communications Group America, Inc. - Md - 443974 )
PIKESVILLE
Area Code 443-204 - (Southwestern Bell Mobile Systems, Llc - Dc - 443204 )Area Code 443-264 - (Global Naps South, Inc. - Md - 443264 )Area Code 443-357 - (Verizon Maryland, Inc. - 443357 )Area Code 443-394 - (Verizon Maryland, Inc. - 443394 )Area Code 443-438 - (Map Mobile Communications, Inc. - 443438 )Area Code 443-447 - (Map Mobile Communications, Inc. - 443447 )Area Code 443-544 - (Cavalier East Llc - Md - 443544 )Area Code 443-641 - (Focal Communications Corp Of The Mid-atlantic - 443641 )Area Code 443-699 - (Broadstreet Communications, Inc. - Md - 443699 )Area Code 443-741 - (Map Mobile Communications, Inc. - 443741 )Area Code 443-870 - (Xspedius Management Co Switches Services, Llc - Md - 443870 )Area Code 443-929 - ( - 443929 )Area Code 443-940 - ( - 443940 )
BROOKLYN
Area Code 443-335 - (Global Naps South, Inc. - Md - 443335 )Area Code 443-673 - (Cavalier East Llc - Md - 443673 )Area Code 443-723 - (Tidalwave Telephone Inc. - 443723 )
CHURCHVILLE
Area Code 443-390 - (Global Crossing Local Services, Inc.-md - 443390 )Area Code 443-412 - (Teleport Communications Group America, Inc. - Md - 443412 )Area Code 443-582 - (Global Naps South, Inc. - Md - 443582 )
WOODLAWN
Area Code 443-202 - (Weblink Wireless, Inc. - 443202 )Area Code 443-429 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443429 )Area Code 443-436 - (Verizon Maryland, Inc. - 443436 )Area Code 443-658 - (Global Naps South, Inc. - Md - 443658 )Area Code 443-663 - (Verizon Maryland, Inc. - 443663 )Area Code 443-751 - (Cavalier East Llc - Md - 443751 )Area Code 443-932 - ( - 443932 )
CENTREVILLE
Area Code 443-262 - ( - 443262 )
TOWSON
Area Code 443-269 - (Global Naps South, Inc. - Md - 443269 )Area Code 443-322 - ( - 443322 )Area Code 443-334 - (Allegiance Telecom, Inc. - Md - 443334 )Area Code 443-465 - (Cellco Partnership Dba Verizon Wireless - Md - 443465 )Area Code 443-632 - (Us Lec Of Maryland, Inc. - 443632 )Area Code 443-652 - (Verizon Maryland, Inc. - 443652 )Area Code 443-726 - (Tidalwave Telephone Inc. - 443726 )Area Code 443-750 - (Broadstreet Communications, Inc. - Md - 443750 )Area Code 443-791 - (Southwestern Bell Mobile Systems, Llc - Dc - 443791 )Area Code 443-798 - (Xspedius Management Co Switches Services, Llc - Md - 443798 )Area Code 443-824 - (Omnipoint Communications Cap Operations, Llc - 443824 )Area Code 443-834 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443834 )Area Code 443-846 - (Sbc Telecom, Inc. - Md - 443846 )Area Code 443-849 - (Verizon Maryland, Inc. - 443849 )Area Code 443-901 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443901 )Area Code 443-912 - (Core Communications, Inc. - Md - 443912 )
WEST RIVER
Area Code 443-203 - (Verizon Maryland, Inc. - 443203 )Area Code 443-294 - (Global Crossing Local Services, Inc.-md - 443294 )Area Code 443-607 - (Cavalier East Llc - Md - 443607 )Area Code 443-659 - (Global Naps South, Inc. - Md - 443659 )
CRISFIELD
Area Code 443-706 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443706 )
RHODESDALE
Area Code 443-323 - ( - 443323 )
PASADENA
Area Code 443-702 - (Cavalier East Llc - Md - 443702 )Area Code 443-770 - (Verizon Maryland, Inc. - 443770 )Area Code 443-781 - (Global Naps South, Inc. - Md - 443781 )
WILLARDS
Area Code 443-232 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443232 )
DELMAR
Area Code 443-359 - (Cellco Partnership Dba Verizon Wireless - Md - 443359 )Area Code 443-669 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443669 )
CHESTERTOWN
Area Code 443-215 - (Core Communications, Inc. - Md - 443215 )Area Code 443-480 - (Cellco Partnership Dba Verizon Wireless - Md - 443480 )
BALTIMORE
Area Code 443-200 - (Allegiance Telecom, Inc. - Md - 443200 )Area Code 443-213 - (Winstar Communications, Llc - Md - 443213 )Area Code 443-219 - (Winstar Communications, Llc - Md - 443219 )Area Code 443-220 - (Verizon Maryland, Inc. - 443220 )Area Code 443-224 - (Mci Worldcom Communications, Inc. - Md - 443224 )Area Code 443-226 - (Sprint Spectrum L.p. - 443226 )Area Code 443-231 - (At&t Local - 443231 )Area Code 443-250 - (Nextel Communications - 443250 )Area Code 443-253 - ( - 443253 )Area Code 443-255 - ( - 443255 )Area Code 443-257 - ( - 443257 )Area Code 443-263 - (Verizon Maryland, Inc. - 443263 )Area Code 443-268 - (Core Communications, Inc. - Md - 443268 )Area Code 443-270 - (Paetec Communications, Inc. - Md - 443270 )Area Code 443-271 - (Nextel Communications - 443271 )Area Code 443-272 - (Teleport Communications Group America, Inc. - Md - 443272 )Area Code 443-275 - (Winstar Communications, Llc - Md - 443275 )Area Code 443-276 - (Allegiance Telecom, Inc. - Md - 443276 )Area Code 443-278 - (Vdl, Inc. Dba Global Telecom Brokers - Md - 443278 )Area Code 443-279 - (Allegiance Telecom, Inc. - Md - 443279 )Area Code 443-281 - (Allegiance Telecom, Inc. - Md - 443281 )Area Code 443-283 - (Paetec Communications, Inc. - Md - 443283 )Area Code 443-286 - (Cellco Partnership Dba Verizon Wireless - Md - 443286 )Area Code 443-287 - (Verizon Maryland, Inc. - 443287 )Area Code 443-288 - (Allegiance Telecom, Inc. - Md - 443288 )Area Code 443-296 - (Global Crossing Local Services, Inc.-md - 443296 )Area Code 443-304 - (Global Crossing Local Services, Inc.-md - 443304 )Area Code 443-305 - ( - 443305 )Area Code 443-306 - ( - 443306 )Area Code 443-308 - ( - 443308 )Area Code 443-310 - ( - 443310 )Area Code 443-312 - ( - 443312 )Area Code 443-315 - ( - 443315 )Area Code 443-316 - ( - 443316 )Area Code 443-317 - ( - 443317 )Area Code 443-320 - ( - 443320 )Area Code 443-324 - ( - 443324 )Area Code 443-326 - ( - 443326 )Area Code 443-330 - (Winstar Communications, Llc - Md - 443330 )Area Code 443-341 - (Winstar Communications, Llc - Md - 443341 )Area Code 443-348 - (Teleport Communications Group America, Inc. - Md - 443348 )Area Code 443-352 - (At&t Local - 443352 )Area Code 443-354 - (Level 3 Communications, Llc - Md - 443354 )Area Code 443-355 - (Level 3 Communications, Llc - Md - 443355 )Area Code 443-364 - (Teleport Communications Group America, Inc. - Md - 443364 )Area Code 443-376 - (Teleport Communications Group America, Inc. - Md - 443376 )Area Code 443-380 - (Winstar Communications, Llc - Md - 443380 )Area Code 443-386 - (Cellco Partnership Dba Verizon Wireless - Md - 443386 )Area Code 443-388 - (Weblink Wireless, Inc. - 443388 )Area Code 443-391 - (Global Crossing Local Services, Inc.-md - 443391 )Area Code 443-392 - (At&t Local - 443392 )Area Code 443-393 - (Global Crossing Local Services, Inc.-md - 443393 )Area Code 443-399 - (Global Crossing Local Services, Inc.-md - 443399 )Area Code 443-400 - (Xo Maryland, Llc - 443400 )Area Code 443-405 - (Global Crossing Local Services, Inc.-md - 443405 )Area Code 443-407 - (Allegiance Telecom, Inc. - Md - 443407 )Area Code 443-408 - (Xo Maryland, Llc - 443408 )Area Code 443-413 - (Sprint Spectrum L.p. - 443413 )Area Code 443-414 - (Sprint Spectrum L.p. - 443414 )Area Code 443-415 - (Sprint Spectrum L.p. - 443415 )Area Code 443-416 - (Sprint Spectrum L.p. - 443416 )Area Code 443-418 - (Sprint Spectrum L.p. - 443418 )Area Code 443-420 - (Global Crossing Local Services, Inc.-md - 443420 )Area Code 443-423 - (Focal Communications Corp Of The Mid-atlantic - 443423 )Area Code 443-425 - (At&t Local - 443425 )Area Code 443-426 - (Paetec Communications, Inc. - Md - 443426 )Area Code 443-430 - (Xo Maryland, Llc - 443430 )Area Code 443-450 - (Level 3 Communications, Llc - Md - 443450 )Area Code 443-451 - (Paetec Communications, Inc. - Md - 443451 )Area Code 443-457 - (Teleport Communications Group America, Inc. - Md - 443457 )Area Code 443-459 - (Sprint Communications Company, L.p. - Md - 443459 )Area Code 443-460 - (Allegiance Telecom, Inc. - Md - 443460 )Area Code 443-463 - (Nextel Communications - 443463 )Area Code 443-472 - (Level 3 Communications, Llc - Md - 443472 )Area Code 443-489 - (Teleport Communications Group America, Inc. - Md - 443489 )Area Code 443-492 - (Global Crossing Local Services, Inc.-md - 443492 )Area Code 443-495 - (Global Crossing Local Services, Inc.-md - 443495 )Area Code 443-498 - (Allegiance Telecom, Inc. - Md - 443498 )Area Code 443-501 - (Global Crossing Local Services, Inc.-md - 443501 )Area Code 443-503 - (Xo Maryland, Llc - 443503 )Area Code 443-505 - (Global Crossing Local Services, Inc.-md - 443505 )Area Code 443-506 - (Nextel Communications - 443506 )Area Code 443-517 - (Global Crossing Local Services, Inc.-md - 443517 )Area Code 443-519 - (Global Crossing Local Services, Inc.-md - 443519 )Area Code 443-524 - (Allegiance Telecom, Inc. - Md - 443524 )Area Code 443-527 - (Omnipoint Communications Cap Operations, Llc - 443527 )Area Code 443-530 - (Paetec Communications, Inc. - Md - 443530 )Area Code 443-540 - (At&t Wireless Services, Inc. - 443540 )Area Code 443-541 - (Paetec Communications, Inc. - Md - 443541 )Area Code 443-546 - (Winstar Communications, Llc - Md - 443546 )Area Code 443-548 - (Allegiance Telecom, Inc. - Md - 443548 )Area Code 443-551 - (Level 3 Communications, Llc - Md - 443551 )Area Code 443-552 - (Verizon Maryland, Inc. - 443552 )Area Code 443-557 - (Allegiance Telecom, Inc. - Md - 443557 )Area Code 443-562 - (At&t Wireless Services, Inc. - 443562 )Area Code 443-564 - (Level 3 Communications, Llc - Md - 443564 )Area Code 443-570 - ( - 443570 )Area Code 443-576 - ( - 443576 )Area Code 443-578 - ( - 443578 )Area Code 443-588 - (Allegiance Telecom, Inc. - Md - 443588 )Area Code 443-594 - (Global Crossing Local Services, Inc.-md - 443594 )Area Code 443-599 - (Global Crossing Local Services, Inc.-md - 443599 )Area Code 443-604 - (Cellco Partnership Dba Verizon Wireless - Md - 443604 )Area Code 443-610 - (Cellco Partnership Dba Verizon Wireless - Md - 443610 )Area Code 443-620 - (Teleport Communications Group America, Inc. - Md - 443620 )Area Code 443-621 - (Sprint Spectrum L.p. - 443621 )Area Code 443-622 - (Sprint Spectrum L.p. - 443622 )Area Code 443-629 - (Sprint Spectrum L.p. - 443629 )Area Code 443-634 - (Tidalwave Telephone Inc. - 443634 )Area Code 443-637 - (Xo Maryland, Llc - 443637 )Area Code 443-648 - (Teleport Communications Group America, Inc. - Md - 443648 )Area Code 443-653 - (Omnipoint Communications Cap Operations, Llc - 443653 )Area Code 443-660 - (Teleport Communications Group America, Inc. - Md - 443660 )Area Code 443-676 - (At&t Wireless Services, Inc. - 443676 )Area Code 443-677 - (Nextel Communications - 443677 )Area Code 443-679 - (Teleport Communications Group America, Inc. - Md - 443679 )Area Code 443-687 - (Broadstreet Communications, Inc. - Md - 443687 )Area Code 443-690 - (Cellco Partnership Dba Verizon Wireless - Md - 443690 )Area Code 443-691 - (At&t Wireless Services, Inc. - 443691 )Area Code 443-692 - (Allegiance Telecom, Inc. - Md - 443692 )Area Code 443-695 - (Cellco Partnership Dba Verizon Wireless - Md - 443695 )Area Code 443-703 - (Xo Maryland, Llc - 443703 )Area Code 443-707 - (Xspedius Management Co Switches Services, Llc - Md - 443707 )Area Code 443-708 - (Xspedius Management Co Switches Services, Llc - Md - 443708 )Area Code 443-710 - (Xo Maryland, Llc - 443710 )Area Code 443-722 - (Omnipoint Communications Cap Operations, Llc - 443722 )Area Code 443-725 - (Paetec Communications, Inc. - Md - 443725 )Area Code 443-729 - (Paetec Communications, Inc. - Md - 443729 )Area Code 443-730 - (Paetec Communications, Inc. - Md - 443730 )Area Code 443-733 - (At&t Local - 443733 )Area Code 443-737 - (Paetec Communications, Inc. - Md - 443737 )Area Code 443-738 - (Paetec Communications, Inc. - Md - 443738 )Area Code 443-739 - (Omnipoint Communications Cap Operations, Llc - 443739 )Area Code 443-742 - (At&t Wireless Services, Inc. - 443742 )Area Code 443-749 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443749 )Area Code 443-756 - (At&t Wireless Services, Inc. - 443756 )Area Code 443-762 - (Sprint Spectrum L.p. - 443762 )Area Code 443-763 - (Winstar Communications, Llc - Md - 443763 )Area Code 443-768 - (Sprint Spectrum L.p. - 443768 )Area Code 443-773 - (Allegiance Telecom, Inc. - Md - 443773 )Area Code 443-774 - (Xspedius Management Co Switches Services, Llc - Md - 443774 )Area Code 443-775 - (Xspedius Management Co Switches Services, Llc - Md - 443775 )Area Code 443-776 - (Xspedius Management Co Switches Services, Llc - Md - 443776 )Area Code 443-784 - (Teleport Communications Group America, Inc. - Md - 443784 )Area Code 443-793 - (Xo Maryland, Llc - 443793 )Area Code 443-794 - (At&t Wireless Services, Inc. - 443794 )Area Code 443-795 - (Xo Maryland, Llc - 443795 )Area Code 443-796 - (Xo Maryland, Llc - 443796 )Area Code 443-797 - (Xo Maryland, Llc - 443797 )Area Code 443-799 - (At&t Wireless Services, Inc. - 443799 )Area Code 443-801 - (Sprint Spectrum L.p. - 443801 )Area Code 443-802 - (Sprint Spectrum L.p. - 443802 )Area Code 443-803 - (Sprint Spectrum L.p. - 443803 )Area Code 443-804 - (Sprint Spectrum L.p. - 443804 )Area Code 443-808 - (Xspedius Management Co Switches Services, Llc - Md - 443808 )Area Code 443-809 - (Xspedius Management Co Switches Services, Llc - Md - 443809 )Area Code 443-815 - (Xo Maryland, Llc - 443815 )Area Code 443-817 - (Allegiance Telecom, Inc. - Md - 443817 )Area Code 443-819 - (Xspedius Management Co Switches Services, Llc - Md - 443819 )Area Code 443-820 - (Winstar Communications, Llc - Md - 443820 )Area Code 443-827 - (Cellco Partnership Dba Verizon Wireless - Md - 443827 )Area Code 443-829 - (Nextel Communications - 443829 )Area Code 443-831 - (At&t Wireless Services, Inc. - 443831 )Area Code 443-832 - (Level 3 Communications, Llc - Md - 443832 )Area Code 443-836 - (Global Naps South, Inc. - Md - 443836 )Area Code 443-838 - (At&t Wireless Services, Inc. - 443838 )Area Code 443-841 - (Verizon Maryland, Inc. - 443841 )Area Code 443-845 - (Cellco Partnership Dba Verizon Wireless - Md - 443845 )Area Code 443-848 - (Sbc Telecom, Inc. - Md - 443848 )Area Code 443-850 - (Omnipoint Communications Cap Operations, Llc - 443850 )Area Code 443-854 - (Omnipoint Communications Cap Operations, Llc - 443854 )Area Code 443-857 - (Omnipoint Communications Cap Operations, Llc - 443857 )Area Code 443-858 - (Omnipoint Communications Cap Operations, Llc - 443858 )Area Code 443-865 - (Nextel Communications - 443865 )Area Code 443-868 - (Verizon Maryland, Inc. - 443868 )Area Code 443-872 - (Sbc Telecom, Inc. - Md - 443872 )Area Code 443-874 - (Kmc Telecom Iii, Inc. - Md - 443874 )Area Code 443-878 - (Sbc Telecom, Inc. - Md - 443878 )Area Code 443-879 - (Sbc Telecom, Inc. - Md - 443879 )Area Code 443-883 - (At&t Local - 443883 )Area Code 443-884 - (Broadstreet Communications, Inc. - Md - 443884 )Area Code 443-885 - (Verizon Maryland, Inc. - 443885 )Area Code 443-886 - (At&t Local - 443886 )Area Code 443-891 - (Xo Maryland, Llc - 443891 )Area Code 443-893 - (Xo Maryland, Llc - 443893 )Area Code 443-896 - (At&t Local - 443896 )Area Code 443-904 - (Cellco Partnership Dba Verizon Wireless - Md - 443904 )Area Code 443-919 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443919 )Area Code 443-921 - (Paetec Communications, Inc. - Md - 443921 )Area Code 443-923 - ( - 443923 )Area Code 443-927 - ( - 443927 )Area Code 443-928 - ( - 443928 )Area Code 443-936 - ( - 443936 )Area Code 443-939 - ( - 443939 )Area Code 443-941 - ( - 443941 )Area Code 443-943 - (Teleport Communications Group America, Inc. - Md - 443943 )Area Code 443-956 - (At&t Wireless Services, Inc. - 443956 )Area Code 443-957 - (At&t Local - 443957 )Area Code 443-973 - (Xo Maryland, Llc - 443973 )Area Code 443-983 - (Omnipoint Communications Cap Operations, Llc - 443983 )Area Code 443-984 - (Verizon Maryland, Inc. - 443984 )Area Code 443-992 - (Level 3 Communications, Llc - Md - 443992 )Area Code 443-997 - (Verizon Maryland, Inc. - 443997 )
BERLIN
Area Code 443-513 - (Dobson Cellular Systems, Inc. - 443513 )Area Code 443-728 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443728 )
POCOMOKE
Area Code 443-387 - (Core Communications, Inc. - Md - 443387 )
ODENTON
Area Code 443-230 - (Global Naps South, Inc. - Md - 443230 )Area Code 443-396 - (Global Crossing Local Services, Inc.-md - 443396 )Area Code 443-698 - (Teleport Communications Group America, Inc. - Md - 443698 )Area Code 443-704 - (Cavalier East Llc - Md - 443704 )
SYKESVILLE
Area Code 443-277 - (Nextel Communications - 443277 )Area Code 443-280 - (At&t Wireless Services, Inc. - 443280 )Area Code 443-300 - (Focal Communications Corp Of The Mid-atlantic - 443300 )Area Code 443-328 - (Global Naps South, Inc. - Md - 443328 )Area Code 443-361 - (Core Communications, Inc. - Md - 443361 )Area Code 443-398 - (Nextel Communications - 443398 )Area Code 443-516 - (Global Crossing Local Services, Inc.-md - 443516 )Area Code 443-609 - (Cavalier East Llc - Md - 443609 )Area Code 443-920 - (Teleport Communications Group America, Inc. - Md - 443920 )
PRINCE FREDERICK
Area Code 443-295 - (Level 3 Communications, Llc - Md - 443295 )Area Code 443-432 - (Global Naps South, Inc. - Md - 443432 )Area Code 443-486 - (Focal Communications Corp Of The Mid-atlantic - 443486 )Area Code 443-532 - (Nextel Communications - 443532 )Area Code 443-624 - (Cellco Partnership Dba Verizon Wireless - Md - 443624 )Area Code 443-968 - (Dobson Cellular Systems, Inc. - 443968 )Area Code 443-975 - (Dobson Cellular Systems, Inc. - 443975 )
GLENWOOD
Area Code 443-266 - (Global Crossing Local Services, Inc.-md - 443266 )Area Code 443-419 - (Cavalier East Llc - Md - 443419 )Area Code 443-441 - (Teleport Communications Group America, Inc. - Md - 443441 )
BEL AIR
Area Code 443-307 - ( - 443307 )Area Code 443-356 - (Level 3 Communications, Llc - Md - 443356 )Area Code 443-369 - (Core Communications, Inc. - Md - 443369 )Area Code 443-371 - (Sprint Communications Company, L.p. - Md - 443371 )Area Code 443-464 - (Broadstreet Communications, Inc. - Md - 443464 )Area Code 443-525 - (Weblink Wireless, Inc. - 443525 )Area Code 443-528 - (Sprint Spectrum L.p. - 443528 )Area Code 443-567 - (Level 3 Communications, Llc - Md - 443567 )Area Code 443-616 - (Cavalier East Llc - Md - 443616 )Area Code 443-640 - (Us Lec Of Maryland, Inc. - 443640 )Area Code 443-643 - (Verizon Maryland, Inc. - 443643 )Area Code 443-655 - (Southwestern Bell Mobile Systems, Llc - Dc - 443655 )Area Code 443-752 - (Kmc Telecom Iii, Inc. - Md - 443752 )Area Code 443-787 - (Global Naps South, Inc. - Md - 443787 )Area Code 443-866 - (Sprint Spectrum L.p. - 443866 )Area Code 443-876 - (Sbc Telecom, Inc. - Md - 443876 )Area Code 443-910 - (At&t Wireless Services, Inc. - 443910 )Area Code 443-987 - (At&t Local - 443987 )
MILLERSVILLE
Area Code 443-343 - (Teleport Communications Group America, Inc. - Md - 443343 )Area Code 443-494 - (Global Crossing Local Services, Inc.-md - 443494 )Area Code 443-645 - (Global Naps South, Inc. - Md - 443645 )Area Code 443-748 - (Cavalier East Llc - Md - 443748 )
REISTERSTOWN
Area Code 443-218 - (Global Crossing Local Services, Inc.-md - 443218 )Area Code 443-222 - (Global Naps South, Inc. - Md - 443222 )Area Code 443-273 - (Teleport Communications Group America, Inc. - Md - 443273 )Area Code 443-381 - (Global Naps South, Inc. - Md - 443381 )Area Code 443-522 - (Paetec Communications, Inc. - Md - 443522 )Area Code 443-590 - (Global Crossing Local Services, Inc.-md - 443590 )Area Code 443-650 - (Allegiance Telecom, Inc. - Md - 443650 )Area Code 443-712 - (Cavalier East Llc - Md - 443712 )Area Code 443-744 - (Nextel Communications - 443744 )Area Code 443-767 - (Cavalier East Llc - Md - 443767 )Area Code 443-914 - (Teleport Communications Group America, Inc. - Md - 443914 )
SOLOMONS
Area Code 443-342 - (Global Naps South, Inc. - Md - 443342 )Area Code 443-404 - (Sprint Spectrum L.p. - 443404 )
JARRETTSVILLE
Area Code 443-499 - (Global Crossing Local Services, Inc.-md - 443499 )Area Code 443-533 - (Teleport Communications Group America, Inc. - Md - 443533 )Area Code 443-644 - (Global Naps South, Inc. - Md - 443644 )Area Code 443-719 - (Cavalier East Llc - Md - 443719 )
PARKTON
Area Code 443-238 - (Global Naps South, Inc. - Md - 443238 )Area Code 443-491 - (Global Crossing Local Services, Inc.-md - 443491 )Area Code 443-672 - (Teleport Communications Group America, Inc. - Md - 443672 )
SPARROWS POINT
Area Code 443-242 - (Cavalier East Llc - Md - 443242 )Area Code 443-337 - (Global Naps South, Inc. - Md - 443337 )Area Code 443-649 - (Us Lec Of Maryland, Inc. - 443649 )
ANNAPOLIS
Area Code 443-214 - (Tidalwave Telephone Inc. - 443214 )Area Code 443-217 - (Core Communications, Inc. - Md - 443217 )Area Code 443-221 - (Level 3 Communications, Llc - Md - 443221 )Area Code 443-223 - (Cellco Partnership Dba Verizon Wireless - Md - 443223 )Area Code 443-254 - ( - 443254 )Area Code 443-321 - ( - 443321 )Area Code 443-336 - (Nextel Communications - 443336 )Area Code 443-370 - (Sprint Communications Company, L.p. - Md - 443370 )Area Code 443-433 - (Xo Maryland, Llc - 443433 )Area Code 443-440 - (Broadstreet Communications, Inc. - Md - 443440 )Area Code 443-454 - (Omnipoint Communications Cap Operations, Llc - 443454 )Area Code 443-458 - (Allegiance Telecom, Inc. - Md - 443458 )Area Code 443-476 - (Verizon Maryland, Inc. - 443476 )Area Code 443-481 - (Verizon Maryland, Inc. - 443481 )Area Code 443-482 - (Verizon Maryland, Inc. - 443482 )Area Code 443-534 - (Kmc Telecom Iii, Inc. - Md - 443534 )Area Code 443-569 - ( - 443569 )Area Code 443-603 - (Winstar Communications, Llc - Md - 443603 )Area Code 443-716 - (Cavalier East Llc - Md - 443716 )Area Code 443-758 - (At&t Local - 443758 )Area Code 443-782 - (Global Naps South, Inc. - Md - 443782 )Area Code 443-822 - (Sprint Spectrum L.p. - 443822 )Area Code 443-837 - (Us Lec Of Maryland, Inc. - 443837 )Area Code 443-852 - (At&t Wireless Services, Inc. - 443852 )Area Code 443-871 - (Nextel Communications - 443871 )Area Code 443-875 - (Sbc Telecom, Inc. - Md - 443875 )Area Code 443-926 - ( - 443926 )Area Code 443-951 - (Global Crossing Local Services, Inc.-md - 443951 )Area Code 443-994 - (At&t Wireless Services, Inc. - 443994 )Area Code 443-995 - (At&t Wireless Services, Inc. - 443995 )
ELLICOTT CITY
Area Code 443-252 - (Broadstreet Communications, Inc. - Md - 443252 )Area Code 443-325 - ( - 443325 )Area Code 443-477 - (Weblink Wireless, Inc. - 443477 )Area Code 443-574 - ( - 443574 )Area Code 443-638 - (Global Naps South, Inc. - Md - 443638 )Area Code 443-828 - (Cavalier East Llc - Md - 443828 )
COCKEYSVILLE
Area Code 443-318 - ( - 443318 )Area Code 443-428 - (Core Communications, Inc. - Md - 443428 )Area Code 443-556 - (Verizon Maryland, Inc. - 443556 )Area Code 443-589 - (Us Lec Of Maryland, Inc. - 443589 )Area Code 443-591 - (Sbc Telecom, Inc. - Md - 443591 )Area Code 443-689 - (Cavalier East Llc - Md - 443689 )Area Code 443-705 - (Global Naps South, Inc. - Md - 443705 )Area Code 443-971 - (Broadstreet Communications, Inc. - Md - 443971 )
MIDDLE RIVER
Area Code 443-228 - (Us Lec Of Maryland, Inc. - 443228 )Area Code 443-554 - (Omnipoint Communications Cap Operations, Llc - 443554 )Area Code 443-581 - (Global Naps South, Inc. - Md - 443581 )Area Code 443-626 - (Cavalier East Llc - Md - 443626 )Area Code 443-873 - (Xspedius Management Co Switches Services, Llc - Md - 443873 )
HAMPSTEAD
Area Code 443-291 - (Global Crossing Local Services, Inc.-md - 443291 )Area Code 443-375 - (Nextel Communications - 443375 )Area Code 443-507 - (Teleport Communications Group America, Inc. - Md - 443507 )Area Code 443-508 - (Cavalier East Llc - Md - 443508 )Area Code 443-639 - (Global Naps South, Inc. - Md - 443639 )
UNION BRIDGE
Area Code 443-247 - (Global Naps South, Inc. - Md - 443247 )Area Code 443-937 - ( - 443937 )
DUNDALK
Area Code 443-216 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443216 )Area Code 443-549 - (Us Lec Of Maryland, Inc. - 443549 )Area Code 443-586 - (Global Naps South, Inc. - Md - 443586 )Area Code 443-696 - (Cavalier East Llc - Md - 443696 )Area Code 443-862 - (Broadstreet Communications, Inc. - Md - 443862 )
MARDELA SPRINGS
Area Code 443-233 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443233 )
PORT DEPOSIT
Area Code 443-227 - (Global Naps South, Inc. - Md - 443227 )Area Code 443-731 - (Teleport Communications Group America, Inc. - Md - 443731 )Area Code 443-747 - (Icg Telecom Group - Md - 443747 )
GLEN BURNIE
Area Code 443-201 - (Weblink Wireless, Inc. - 443201 )Area Code 443-572 - ( - 443572 )Area Code 443-618 - (Cellco Partnership Dba Verizon Wireless - Md - 443618 )Area Code 443-623 - (Nextel Communications - 443623 )Area Code 443-628 - (Global Naps South, Inc. - Md - 443628 )Area Code 443-790 - (Nextel Communications - 443790 )Area Code 443-867 - (Paetec Communications, Inc. - Md - 443867 )Area Code 443-889 - (Omnipoint Communications Cap Operations, Llc - 443889 )Area Code 443-989 - (Cavalier East Llc - Md - 443989 )
SNOW HILL
Area Code 443-234 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443234 )
CATONSVILLE
Area Code 443-289 - (Broadstreet Communications, Inc. - Md - 443289 )Area Code 443-474 - (Southwestern Bell Mobile Systems, Llc - Dc - 443474 )Area Code 443-520 - (Southwestern Bell Mobile Systems, Llc - Dc - 443520 )Area Code 443-612 - (Verizon Maryland, Inc. - 443612 )Area Code 443-668 - (Southwestern Bell Mobile Systems, Llc - Dc - 443668 )Area Code 443-670 - (Cavalier East Llc - Md - 443670 )Area Code 443-697 - (Global Naps South, Inc. - Md - 443697 )Area Code 443-765 - (Southwestern Bell Mobile Systems, Llc - Dc - 443765 )Area Code 443-830 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443830 )Area Code 443-851 - (Omnipoint Communications Cap Operations, Llc - 443851 )Area Code 443-980 - (Southwestern Bell Mobile Systems, Llc - Dc - 443980 )Area Code 443-996 - (Southwestern Bell Mobile Systems, Llc - Dc - 443996 )
BISHOPVILLE
Area Code 443-727 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443727 )
ARBUTUS
Area Code 443-297 - (Teleport Communications Group America, Inc. - Md - 443297 )Area Code 443-515 - (Broadstreet Communications, Inc. - Md - 443515 )Area Code 443-543 - (Verizon Maryland, Inc. - 443543 )Area Code 443-568 - (Allegiance Telecom, Inc. - Md - 443568 )Area Code 443-575 - ( - 443575 )Area Code 443-701 - (Xo Maryland, Llc - 443701 )Area Code 443-709 - (Cavalier Telephone Mid-atlantic. Llc - Md - 443709 )Area Code 443-785 - (Global Naps South, Inc. - Md - 443785 )Area Code 443-833 - (Sbc Telecom, Inc. - Md - 443833 )
DARLINGTON
Area Code 443-267 - (Teleport Communications Group America, Inc. - Md - 443267 )Area Code 443-585 - (Global Naps South, Inc. - Md - 443585 )
FALLSTON
Area Code 443-243 - (Cellco Partnership Dba Verizon Wireless - Md - 443243 )Area Code 443-299 - (Global Crossing Local Services, Inc.-md - 443299 )Area Code 443-417 - (Teleport Communications Group America, Inc. - Md - 443417 )Area Code 443-504 - (Cavalier East Llc - Md - 443504 )Area Code 443-601 - (Global Naps South, Inc. - Md - 443601 )Area Code 443-807 - (Nextel Communications - 443807 )
EASTON
Area Code 443-258 - ( - 443258 )Area Code 443-298 - (At&t Wireless Services, Inc. - 443298 )Area Code 443-362 - (Omnipoint Communications Cap Operations, Llc - 443362 )Area Code 443-385 - (Core Communications, Inc. - Md - 443385 )Area Code 443-496 - (Nextel Communications - 443496 )Area Code 443-724 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443724 )Area Code 443-746 - (Icg Telecom Group - Md - 443746 )Area Code 443-786 - (Cellco Partnership Dba Verizon Wireless - Md - 443786 )
CAMBRIDGE
Area Code 443-382 - (Core Communications, Inc. - Md - 443382 )Area Code 443-521 - (Cellco Partnership Dba Verizon Wireless - Md - 443521 )
OCEAN CITY
Area Code 443-373 - (Sprint Spectrum L.p. - 443373 )Area Code 443-664 - (Cavalier Telephone, Llc (mid-atlantic) - Md - 443664 )Area Code 443-856 - (Core Communications, Inc. - Md - 443856 )
PERRYVILLE
Area Code 443-206 - (Cellco Partnership Dba Verizon Wireless - Md - 443206 )Area Code 443-693 - (Teleport Communications Group America, Inc. - Md - 443693 )Area Code 443-947 - (Global Naps South, Inc. - Md - 443947 )
CROFTON
Area Code 443-302 - (Global Crossing Local Services, Inc.-md - 443302 )Area Code 443-332 - (Cavalier East Llc - Md - 443332 )Area Code 443-584 - (Global Naps South, Inc. - Md - 443584 )
FORK
Area Code 443-265 - (Cavalier East Llc - Md - 443265 )Area Code 443-313 - ( - 443313 )Area Code 443-421 - (At&t Wireless Services, Inc. - 443421 )Area Code 443-606 - (Global Naps South, Inc. - Md - 443606 )Area Code 443-625 - (Focal Communications Corp Of The Mid-atlantic - 443625 )Area Code 443-651 - (Weblink Wireless, Inc. - 443651 )
LAUREL
Area Code 443-292 - (Xspedius Management Co Switches Services, Llc - Md - 443292 )Area Code 443-479 - (Verizon Maryland, Inc. - 443479 )Area Code 443-778 - (Verizon Maryland, Inc. - 443778 )
PRINCESS ANNE
Area Code 443-427 - (Core Communications, Inc. - Md - 443427 )

Other Information about area code 443 in Maryland

  • State Information Resources for Maryland (Source: State Information)
  • CitySites Pages for Maryland (Source: Official CitySites)
  • Wikipedia Article on Area Code 443 (Source: Wikipedia)